diff --git a/target/linux/ramips/base-files/lib/ramips.sh b/target/linux/ramips/base-files/lib/ramips.sh
index 99bdbdd80e..63af00d031 100755
--- a/target/linux/ramips/base-files/lib/ramips.sh
+++ b/target/linux/ramips/base-files/lib/ramips.sh
@@ -6,20 +6,6 @@
 RAMIPS_BOARD_NAME=
 RAMIPS_MODEL=
 
-all500x_board_detect() {
-	local systype
-
-	systype=$(awk 'BEGIN{FS="[ \t]+:[ \t]"} /system type/ {print $2}' /proc/cpuinfo)
-	case "$systype" in
-	*"RT5350"*)
-		RAMIPS_MODEL="Allnet ALL5003"
-		;;
-	*"RT3352"*)
-		RAMIPS_MODEL="Allnet ALL5002"
-		;;
-	esac
-}
-
 ramips_board_detect() {
 	local machine
 	local name
@@ -230,12 +216,6 @@ ramips_board_detect() {
 		;;
 	esac
 
-	case "$machine" in
-	*"Allnet ALL500"[23]*)
-		all500x_board_detect
-		;;
-	esac
-
 	[ -z "$RAMIPS_BOARD_NAME" ] && RAMIPS_BOARD_NAME="$name"
 	[ -z "$RAMIPS_MODEL" ] && RAMIPS_MODEL="$machine"